Originally Posted by Neo-ST
It would be interesting to see the results.
I was impressed with Pixel camera app on my old phone, it was way better than stock app, and my old phone had a really bad camera hardware. Yet the pictures it gave were surprisingly good.
In combination with P30P's hardware, it would probably blow everything else out of the water...
This version made by BSG V2e
worked for me (kind of, crashes quite often on settings change, but still).
The only worthy addition to Stock camera is the "Photosphere" panoramas, other than that the Huawei stock app provides far better results due to the fact that GCam has absolutely no support for Kirin CPU I assume
Try and experiment carefully with the settings within the app.
Or you can try any other mod from dev-suggested